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stm32f4/usart: use 115200 baud rate

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38400 is uncommon and slow.  Just live in the modern world of at least
115200.
This commit is contained in:
Karl Palsson
2018-10-07 13:43:21 +00:00
parent d434a00323
commit b7aac4bc76
2 changed files with 2 additions and 2 deletions
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2
examples/stm32/f4/stm32f4-discovery/usart/README.md
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@@ -9,4 +9,4 @@ The sending is done in a blocking way.
| Port | Function | Description | | Port | Function | Description |
| ----- | ------------- | --------------------------------- | | ----- | ------------- | --------------------------------- |
| `PA2` | `(USART2_TX)` | TTL serial output `(38400,8,N,1)` | | `PA2` | `(USART2_TX)` | TTL serial output `(115200,8,N,1)` |

2
examples/stm32/f4/stm32f4-discovery/usart/usart.c
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@@ -35,7 +35,7 @@ static void clock_setup(void)
static void usart_setup(void) static void usart_setup(void)
{ {
/* Setup USART2 parameters. */ /* Setup USART2 parameters. */
usart_set_baudrate(USART2, 38400); usart_set_baudrate(USART2, 115200);
usart_set_databits(USART2, 8); usart_set_databits(USART2, 8);
usart_set_stopbits(USART2, USART_STOPBITS_1); usart_set_stopbits(USART2, USART_STOPBITS_1);
usart_set_mode(USART2, USART_MODE_TX); usart_set_mode(USART2, USART_MODE_TX);